Many people have written to me with the news of Roadcasting, a technology that is very similar to the gimmick in Eastern Standard Tribe wherein cars stuck in traffic form ad-hoc peer-to-peer networks, sharing music among themselves (in truth, this idea came from my pal and former business partner, John Henson). It’s pretty cool to see stuff like this approaching reality, I tell you what.

It is a system, currently in prototype state, that allows anyone to have their own radio station, broadcasted among wirelessly capable devices, some in cars, in an ad-hoc wireless network. The system can become aware of individual preferences and is able to choose songs and podcasts that people want to hear, on their own devices and car stereos and in devices and car stereos around them.

Roadcasting provides a set of methods to transform radio into a community-driven interactive medium. Using collaborative filtering technologies, it enables rich passive and interactive experiences for ‘DJs’ and listeners in a way that has not previously been possible. Roadcasting matches you to radio stations that play the content that you want to hear.